Tweaks for MacPython 2.2b1
diff --git a/Mac/Distributions/dev.exclude b/Mac/Distributions/dev.exclude
index 939f353..401509c 100644
--- a/Mac/Distributions/dev.exclude
+++ b/Mac/Distributions/dev.exclude
@@ -16,3 +16,4 @@
 @*
 CVS
 [(]*[)]
+*.pyo